Check Point Advisories

Libmspack Project Buffer Overflow (CVE-2018-18584)

Check Point Reference: CPAI-2019-0299
Date Published: 19 Feb 2019
Severity: High
Last Updated: 29 Oct 2019
Industry Reference:CVE-2018-18584
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Libmspack Project libmspack prior to 0.8 alpha
Vulnerability Description Buffer overflow vulnerability exists in the libmspack library. This vulnerability is due to improper handling of block alignment. Successful exploitation of the vulnerability may result in arbitrary code execution.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Libmspack Project Buffer Overflow (CVE-2018-18584) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Libmspack Project Buffer Overflow (CVE-2018-18584)

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